Make sliding_window output more readable + Fix coding style issues in examples
Simplify make invocation + Remove duplicated example source file
Simplify makefile recipe line
Merge branch 'master' into examples-cleanup

Conflicts:
	examples/sample_makefile/main.cpp
Merge pull request #94 from steinwurf/examples-cleanup

Make sliding_window output more readable + Fix coding style issues in examples
Merge with master